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Matches 1 - 50 out of 34,006

Document Document Title
WO/2019/117677A2
The present invention relates to a method for producing a metal sulfide catalyst by using hydrogen sulfide, a method for maintaining the performance of a metal sulfide catalyst, and a method for regenerating an inactive metal sulfide cat...  
WO/2019/115248A1
The present invention relates to a process for hydroconversion of a heavy hydrocarbon feedstock in the presence of hydrogen, at least one supported solid catalyst and at least one dispersed solid catalyst obtained from at least one salt ...  
WO/2019/115919A1
The present invention relates to a molybdenum-based composition and to the use thereof as a precursor of a molybdenum sulfide-based catalyst. The invention also relates to the method for producing said composition.  
WO/2019/109212A1
Disclosed is a metal-nitrogen carbon material precursor with the metal dispersed on an atomic scale, wherein the content of N is 25 wt%-35 wt% and the content of metal is 0.1 wt%-1.3 wt%, based on the total weight of the metal-nitrogen c...  
WO/2019/109597A1
A preparation method for a sulfur-doped S-C3N4 efficient visible light ammonia synthesis catalyst with a graphene-like structure, comprising the following steps: mixing thiourea and urea according to a certain proportion, placing the uni...  
WO/2019/105765A1
The invention relates to a catalyst comprising a carrier, at least one noble metal M, tin, phosphorus and ytterbium, wherein the phosphorus element content is greater than or equal to 0.2 wt %, and less than 0.4 wt %, and the ytterbium c...  
WO/2019/105764A1
The invention relates to a catalyst comprising a carrier, at least one noble metal M, tin, phosphorus and yttrium, wherein the phosphorus element content is less than or equal to 1 wt %, and the yttrium content is less than or equal to 1...  
WO/2019/101564A1
The invention relates to a catalyst comprising an alumina-, silica- or silica-alumina-based support, at least one group VIII element, at least one group VIB element, and a furan compound. The invention also relates to the method for prod...  
WO/2019/098474A1
The present invention relates to: an electrochemical cell to be used when carbon dioxide is decomposed and reduced to a useful conversion product; and a catalyst to be used in an electrode for an anode within the cell. According to the p...  
WO/2019/096657A1
The invention concerns a method for the photocatalytic reduction of carbon dioxide carried out in the liquid phase and/or in the gas phase under irradiation using a photocatalyst comprising a support made from alumina or silica or silica...  
WO/2019/092366A1
The invention relates to a compound of following formula (I): in which: - the groups R1 and R2, which are identical or different, represent, independently of one another, a linear, branched or cyclic, saturated or unsaturated hydrocarbon...  
WO/2019/087073A1
Photoactive catalyst and methods of producing H2 by photocatalytic water splitting. The photoactive catalyst includes an upconverting material, a photocatalyst material, and plasmonic metal nanostructures deposited on the surface of the ...  
WO/2019/087132A1
This invention is directed to catalyst compositions, catalytic articles for purifying exhaust gas emissions and methods of making and using the same. In particular, the invention relates to a catalytic article including a catalytic mater...  
WO/2019/089448A1
A superacid polymeric catalyst having both Lewis acidity and Brønsted acidity is described, along with methods of making and methods of using the same.  
WO/2019/078096A1
This exhaust gas purifying catalyst 100 is provided with: a substrate 10 having a wall-flow structure, which has an entrance-side cell 12, an exit-side cell 14 and a porous partition wall 16; a first catalyst layer 20 which is formed ins...  
WO/2019/078244A1
Provided is a catalyst for the production of an α,β-unsaturated carboxylic acid, which enables the production of an α,β-unsaturated carboxylic acid with high yield. A method for producing a catalyst for the production of an α,β-uns...  
WO/2019/069080A1
The present invention relates to a catalyst for selective hydrodesulphurization of cracked naphtha streams in the form of an extrudate, which comprises a support based on an inorganic oxide and an outer layer bound to the support, wherei...  
WO/2019/069854A1
The present invention aims to provide a regeneration method capable of sufficiently restoring the catalytic performance of a solid catalyst used in a dehydration reaction of lactic acid and derivatives thereof. The present invention rela...  
WO/2019/066311A1
The present invention relates to a method for preparing 1,1,2-trichloroethane. According to the present invention, a method capable of preparing 1,1,2-trichloroethane using simplified equipment at a high reaction yield is provided.  
WO/2019/064674A1
The purpose of the present invention is to produce a titanium material, on the surface of which a crystalline titanium oxide film is formed. This titanium material, on the surface of which a crystalline titanium oxide film is formed, is ...  
WO/2019/065258A1
A carbon dioxide reduction device according to the present invention is provided with: a first electrode; at least any one among an electrolytic solution and ion transport membrane; and a second electrode, wherein the first electrode is ...  
WO/2019/055449A1
A composition comprising a supported hydrogenation catalyst comprising palladium and a support, wherein the supported hydrogenation catalyst is capable of selectively hydrogenating highly unsaturated hydrocarbons to unsaturated hydrocarb...  
WO/2019/052167A1
A nitrogen-doped mesoporous carbon-wrapped titanium dioxide composite photocatalyst, a preparation method therefor and an application thereof. The preparation method comprises the following steps: dissolving an organic ligand and Ti(OC3H...  
WO/2019/055451A1
A composition containing a supported hydrogenation catalyst comprising palladium and a support, wherein the supported hydrogenation catalyst is capable of selectively hydrogenating highly unsaturated hydrocarbons to unsaturated hydrocarb...  
WO/2019/047081A1
The present invention provides a method for forming a selenium-doped graphite phase carbon nitride nano-film on a surface of metal aluminum, so as to provide a key material for the development and manufacture of various human wearable de...  
WO/2019/049476A1
[Problem] To control the ratio between hydrogen to be produced and carbon monoxide to be produced in a synthesis gas production system. [Solution] A synthesis gas production system 1 which produces CO and H2 by means of electric reductio...  
WO/2019/047602A1
A method for preparing bismuth sulfide-modified gold nanoparticles/a sodium dioxide nanotube structure and an application thereof, the method comprising: selecting a substrate, and pre-processing the substrate; preparing a TiO2 nanotube ...  
WO/2019/045470A1
The present invention relates to a method for preparing a sulfated metal oxide catalyst for chlorination, and a method for preparing a reaction product comprising methyl chloride (CH3Cl) by using a sulfated metal oxide catalyst. A sulfat...  
WO/2019/046558A1
This disclosure relates to SA alkylation reactor systems. The reactor system involves a closed reactor vessel comprising a shell, a vapor outlet, and an emulsion outlet. The reactor system also involves a distributor located at the lower...  
WO/2019/046554A1
This disclosure relates to methods of converting an HF alkylation unit which utilizes HF as a reaction catalyst to a sulfuric acid alkylation unit which utilizes sulfuric acid as a reaction catalyst. This disclosure also relates to a seg...  
WO/2019/039909A1
The present application relates to a silica membrane production method. The present application can provide a method which allows mass production of silica membranes, having excellent tolerance for vertical and tangential loads, without ...  
WO/2019/038068A1
The invention concerns a crystalline aluminic material comprising a carbonaceous deposit, the amount of deposited carbon being between 1 and 15 wt% of the total weight of the material, prepared by a method comprising at least one step of...  
WO/2019/038607A1
The present invention concerns a photocatalytic system comprising or consisting of: a titanium-based metal-organic framework MOF based on or including a single ligand type or a plurality of different ligand types for generating photo-gen...  
WO/2019/040481A1
Processes for reforming a hydrocarbon feedstock by selectively reforming different subcomponents or fractions of the feedstock using at least two compositionally-distinct reforming catalysts. Advantages may include a decreased rate of re...  
WO/2019/040738A1
Improved electrochemical production of hydrogen peroxide is provided with a mesoporous carbon catalyst is both O- and N- doped. The resulting catalyst works pH-neutral solutions to enable applications such as environmental water treatment.  
WO/2019/034987A1
Methods, catalysts, and systems for the production of 1,3-butadiene from a reaction mixture including ethylene and gaseous sulfur are described.  
WO/2019/029513A1
A method for preparing a Fenton catalyst. The method comprises the following steps: a, grinding a precursor FeCl3·6H20 into a powder; b, sealing the precursor FeCl3·6H20 powder in a crucible; c, calcinating the crucible, in which the p...  
WO/2019/030278A1
A catalyst composition for catalytic reduction of NOx compounds, comprising Fe deposited on a porous support comprising at least 60 wt % of a calcium-deficient hydroxyapatite having a Ca/P molar ratio of less than 1.67. The support prefe...  
WO/2019/031592A1
A method for producing a transparent electrode for oxygen production, said transparent electrode comprising a Ta nitride layer on a transparent substrate. This method for producing a transparent electrode for oxygen production comprises:...  
WO/2019/024146A1
Disclosed are a black phosphorus/precious metal composite material, a preparation method and the use thereof, wherein the black phosphorus/precious metal composite material is a product of precious metal nano-particles and/or precious me...  
WO/2019/025900A1
Oxidative dehydrogenation catalysts for converting lower paraffins to alkenes such as ethane to ethylene when prepared as an agglomeration, preferably extruded with supports consisting of slurries of Nb2O5.  
WO/2019/026640A1
Provided are a catalyst precursor for producing a catalyst having a high yield of methacrylic acid, a catalyst, and a method for producing methacrylic acid and a methacrylic acid ester. A catalyst precursor including a heteropoly acid sa...  
WO/2019/025981A1
Oxidative dehydrogenation catalysts for converting lower paraffins to alkenes such as ethane to ethylene when prepared as an agglomeration, preferably extruded with supports selected from the group consisting of slurries of TiO2, ZrO2 Al...  
WO/2019/019866A1
Disclosed is a method for preparing lignin-reduced carbon nitride modified by nano gold particles for efficiently treating organic pollution, the method involving first calcinating a precursor in a muffle furnace at a high temperature to...  
WO/2019/020793A1
The present invention is directed to a process for producing a shaped catalyst body comprising silver applied to an alumina support, which comprises providing an alumina support, with a defined pore structure and then applying a defined ...  
WO/2019/021181A1
Metal modified 2-D and 3-D tetrazole-based carbon nitride materials, method of making and method of use are described. The materials include a catalytic metal, preferably Fe or Ru, and have a nitrogen to carbon ratio of between 1.36 and ...  
WO/2019/021189A1
A method for preparing a nanocomposite heteroj unction is disclosed. The method can include combining a first semiconductor nanomaterial (X) having its surface functionalized with a negatively charged ligand (L") with a second semiconduc...  
WO/2019/019804A1
A preparation method for a lanthanide fluoride two-dimensional porous nanosheet. A water-soluble lanthanide metal salt is mixed with a sodium acetate aqueous solution in a nitrogen gas atmosphere to obtain a mixture; a fluoride salt-cont...  
WO/2019/022426A1
The present invention relates to a method for preparing N-substituted maleimide and, more particularly, to a method for preparing N-substituted maleimide, comprising the steps of: a) reacting maleic anhydride with a primary amine in the ...  
WO/2019/018103A1
Catalyst compositions with improved alkylation activity and corresponding methods for making such catalyst compositions are provided. The catalyst(s) correspond to solid acid catalysts formed by exposing a catalyst precursor with a zeoli...  

Matches 1 - 50 out of 34,006